The policy of giving marks liberally in the School exams, leading to a ridiculous situation of students getting 100 out of 100 in all subjects is disquieting.
One can understand a student scoring full marks in a purely quantitative paper like Mathematics. But to give the student full marks in English, History, Geography or even Physics is counter productive.
There are many pitfalls to it. I have personal experience of this as a teacher. Many of my faculty colleagues used to give nothing other than A grade (maximum grade) in the MBA Assignments, irrespective of the quality of the assignment. This led to average student becoming complacent, and refusing to push themselves, and the good students losing interest. The good students did not find any incentive in working hard, for they know it shall not result in any differential grade for them. Either way, the faculty was doing a disservice to the students.
The purpose of an examination is to give a proper feedback to the students, to help them identify their areas of strength and weakness, and take appropriate corrective steps. By giving near full marks, students get a false sense of feeling of knowing everything , when their ignorance level is very high.
As Avvaiyar wrote
"Katrathu Kai Mann Alavu, Kallathathu Ulagalavu"
meanign roughly "What you have learned is a mere handful; What you haven't learned is the size of the world"